Bubble Nebula in Emission-Line
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NGC7635 |
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Object |
| Type |
Planetary Nebula |
| Constellation |
Cassiopeia |
| Distance |
11,000 ly |
| Magnitude |
|
| Angular
Size |
15x8 arc min |
| Size |
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| More
Info |
APODAPODEssay by Robert Gendler © |
|
Image |
| Date |
2007-08-18 |
| Place |
Carlsbad, CA |
| Exposure
Data |
SII:Ha:OIII 180:90:90 mins @ -10C
SII 6x15 (bin 2x2), Ha 12x15 (bin 1x1), OIII 6x15 (bin 2x2) as RGB |
| Notes |
Imaged over multiple nights
|
|
Equipment |
| Optics |
Vixen VC200L |
| Focal
Length |
1764mm @f/6.3 |
| Mount |
Astro-Physics 900GTO |
| Camera |
SBIG ST-2000XM (KAI-2020M) |
| Focuser |
Robo-Focus |
| Filters |
CFW10A, Astrodon 6nm SII, Ha, OIII |
| Software |
Maxim DL, Photoshop |
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